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Convertible Preferred Stock (Tables) | 9 Months Ended
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Sep. 30, 2020
Class Of Stock Disclosures [Abstract] |
Schedule of Convertible Preferred Stock | The following table details, by series, the Company's convertible preferred stock at September 30, 2020 (in thousands, except shares and original issue price):
Series |  | Shares Authorized |  |  | Shares Issued and Outstanding |  |  | Defined Original Issue Price |  |  | Liquidation Preference |
Series H |  |  | 53,031,883 |  |  |  | 23,923,188 |  |  | $ | 1.15 |  |  | $ | 27,512 |
Series G |  |  | 76,464,035 |  |  |  | 46,146,517 |  |  |  | 0.75 |  |  |  | 34,610 |
Series F |  |  | 19,468,203 |  |  |  | 19,468,203 |  |  |  | 1.50 |  |  |  | 29,202 |
Series E |  |  | 13,972,954 |  |  |  | 7,639,556 |  |  |  | 5.00 |  |  |  | 38,198 |
Series D |  |  | 11,781,710 |  |  |  | 10,874,876 |  |  |  | 4.00 |  |  |  | 43,499 |
Series C |  |  | 2,356,597 |  |  |  | 2,356,596 |  |  |  | 3.00 |  |  |  | 7,070 |
Series B‑1 |  |  | 2,998,852 |  |  |  | 2,998,852 |  |  |  | 3.20 |  |  |  | 9,596 |
Series B |  |  | 3,641,817 |  |  |  | 3,641,817 |  |  |  | 2.75 |  |  |  | 10,015 |
Series A‑3 |  |  | 750,000 |  |  |  | 750,000 |  |  |  | 2.24 |  |  |  | 1,680 |
Series A‑2 |  |  | 266,668 |  |  |  | 266,668 |  |  |  | 1.50 |  |  |  | 400 |
Series A‑1 |  |  | 700,000 |  |  |  | 700,000 |  |  |  | 1.14 |  |  |  | 800 |
|  |  | 185,432,719 |  |  |  | 118,766,273 |  |  |  |  |  |  | $ | 202,582 |

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